{
  "data": [
    {
      "fields": {
        "statusDt": "2019-11-08T09:16:36",
        "orderNr": "40095",
      },
      "listDtFields": []
    },
    {
      "fields": {
        "statusDt": "2019-11-18T09:16:36",
        "orderNr": "995",
      },
      "listDtFields": []
    }
  ]
}

    public class DataResponse 
    {
        /// <summary>
        /// Данные ответа
        /// </summary>
        [JsonProperty(PropertyName = "data")]
        public List<DataFields> Data { get; set; }

        [JsonProperty(PropertyName = "listDataFields")]
        public List<string> ListDataFields { get; set; }
    }

    public class DataFields
    {
        [JsonProperty(PropertyName = "statusDt")]
        public DateTime StatusDate { get; set; }

        [JsonProperty(PropertyName = "orderNr")]
        public string OrderNumber { get; set; }

  }

        public static T FromJson<T>(string responseJson)
        {
            T r = JsonConvert.DeserializeObject<T>(responseJson);

            return r;
        }